Display rack



FIG. 1 is a perspective view of the display rack showing my new design, the balls being shown in broken lines for illustrative purposes only;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a side elevational view taken from the right of FIG. 3. 

The ornamental design for a display rack, as shown and described. 